CVEvulnerability

CVE-2024-56645

5.5 MEDIUM Published 2024-12-27 Modified 2026-08-04 Official page ↗
Status
Modified
Published
2024-12-27
Last modified
2026-08-04
Assigner
416baaa9-dc9f-4396-8d5f-8c081fb06d67
CVSS 3.1 (416baaa9-dc9f-4396-8d5f-8c081fb06d67)
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939_session_new(): fix skb reference counting Since j1939_session_skb_queue() does an extra skb_get() for each new skb, do the same for the initial one in j1939_session_new() to avoid refcount underflow. [mkl: clean up commit message]

Affected configurations

• linux linux kernel (>= 5.4 < 5.4.287) • linux linux kernel (>= 5.5 < 5.10.231) • linux linux kernel (>= 5.11 < 5.15.174) • linux linux kernel (>= 5.16 < 6.1.120) • linux linux kernel (>= 6.2 < 6.6.66) • linux linux kernel (>= 6.7 < 6.12.5) • linux linux kernel 6.13

References